Polar M400 vs. Samsung Gear S vs. Fitbit One vs. Fitbit Ionic vs. Casio G-Shock GBA800

 
M400
Gear S
One
Ionic
G-Shock GBA800
 PolarM400Remove Buy NowSamsungGear SRemove Buy NowFitbitOneRemove Buy NowFitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy Now

Basic Info

Suggested Price$200$250$100$299$120
Release20142013201220172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 daysn/a10-14 days4+ days2 years
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 360n/a348x250
Sizen/a2 inchesn/a1.42
Touch
Typen/aSuper AMOLEDOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP67Splast Resistant50m20 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenn/aFitbit OS
Apps
Music

All Wearables